diff --git a/README.md b/README.md
index 975b3a5e..235acafd 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@
  * `(doc ...)` lookup.
  * [Omnicomplete](#omnicomplete) through [Compliment][].
  * Go to definition (will work more consistently when [#18](https://github.com/Olical/conjure/issues/18) is done).
+ * Running tests in the current namespace.
 
 ### Upcoming
 
@@ -20,7 +21,6 @@
  * Changed namespace reloading via `tools.namespace`. ([#10](https://github.com/Olical/conjure/issues/10))
  * Configuration. ([#7](https://github.com/Olical/conjure/issues/7))
  * Polished documentation and README. ([#6](https://github.com/Olical/conjure/issues/6))
- * Running tests with a keybinding. ([#20](https://github.com/Olical/conjure/issues/20))
 
 [![asciicast](https://asciinema.org/a/RjojeOrKcF5zczweI7q3qiMgw.svg)](https://asciinema.org/a/RjojeOrKcF5zczweI7q3qiMgw)
 
@@ -53,6 +53,8 @@ You can disable these and define your own with `let g:conjure_default_mappings =
  * `<localleader>rs` - `ConjureStatus`
  * `<localleader>rl` - `ConjureOpenLog`
  * `<localleader>rq` - `ConjureCloseLog`
+ * `<localleader>rt` - `ConjureRunTests`
+ * `<localleader>rT` - `ConjureRunAllTests`
  * `K` - `ConjureDoc`
  * `gd` - `ConjureDefinition`
 
@@ -72,6 +74,8 @@ You can disable these and define your own with `let g:conjure_default_mappings =
  * `ConjureDefinition` - go to the source of the given symbol, providing we can find it - falls back to vanilla `gd`.
  * `ConjureOpenLog` - open and focus the log buffer in a wide window.
  * `ConjureCloseLog` - close the log window if it's open in this tab.
+ * `ConjureRunTests` - run tests in the current namespace.
+ * `ConjureRunAllTests` - run all tests.
 
 `ConjureAdd` takes a map that conforms to the following spec.
 
diff --git a/autoload/conjure.vim b/autoload/conjure.vim
index 426ad53b..b30cf0d4 100644
--- a/autoload/conjure.vim
+++ b/autoload/conjure.vim
@@ -24,6 +24,8 @@ command! -nargs=1 ConjureDefinition call rpcnotify(s:jobid, "definition", <q-arg
 command! -nargs=1 ConjureDoc call rpcnotify(s:jobid, "doc", <q-args>)
 command! -nargs=0 ConjureOpenLog call rpcnotify(s:jobid, "open_log")
 command! -nargs=0 ConjureCloseLog call rpcnotify(s:jobid, "close_log")
+command! -nargs=0 ConjureRunTests call rpcnotify(s:jobid, "run_tests")
+command! -nargs=0 ConjureRunAllTests call rpcnotify(s:jobid, "run_all_tests")
 
 " Default mappings if not disabled.
 if !exists("g:conjure_default_mappings") || g:conjure_default_mappings
@@ -38,6 +40,8 @@ if !exists("g:conjure_default_mappings") || g:conjure_default_mappings
     autocmd FileType clojure nnoremap <buffer> <localleader>rs :ConjureStatus<cr>
     autocmd FileType clojure nnoremap <buffer> <localleader>rl :ConjureOpenLog<cr>
     autocmd FileType clojure nnoremap <buffer> <localleader>rq :ConjureCloseLog<cr>
+    autocmd FileType clojure nnoremap <buffer> <localleader>rt :ConjureRunTests<cr>
+    autocmd FileType clojure nnoremap <buffer> <localleader>rT :ConjureRunAllTests<cr>
     autocmd FileType clojure nnoremap <buffer> K :ConjureDoc <c-r><c-w><cr>
     autocmd FileType clojure nnoremap <buffer> gd :ConjureDefinition <c-r><c-w><cr>
     autocmd FileType clojure setlocal omnifunc=conjure#omnicomplete
diff --git a/src/conjure/action.clj b/src/conjure/action.clj
index d27d67e1..73ea5a3f 100644
--- a/src/conjure/action.clj
+++ b/src/conjure/action.clj
@@ -227,3 +227,9 @@
         [(nvim/command-output (str "edit " file))
          (nvim/win-set-cursor (:win ctx) {:row row, :col col})])
       (nvim/call (nvim/command-output "normal! gd")))))
+
+(defn run-tests []
+  (eval* (code/run-tests-str)))
+
+(defn run-all-tests []
+  (eval* (code/run-all-tests-str)))
diff --git a/src/conjure/code.clj b/src/conjure/code.clj
index cb986f93..becefda2 100644
--- a/src/conjure/code.clj
+++ b/src/conjure/code.clj
@@ -31,9 +31,11 @@
     :clj "(do
             (require 'clojure.repl
                      'clojure.string
-                     'clojure.java.io)
+                     'clojure.java.io
+                     'clojure.test)
             (try (require 'compliment.core) (catch Exception _)))"
-    :cljs "(require 'cljs.repl)"))
+    :cljs "(require 'cljs.repl
+                    'clojure.test)"))
 
 ;; The read-string/eval wrapper can go away with Clojure 1.11.
 ;; https://dev.clojure.org/jira/browse/CLJ-2453
@@ -111,3 +113,9 @@
                                  (clojure.string/replace #\"\\.jar!/\" \".jar::\"))))))
                (update 2 dec))))
        "))
+
+(defn run-tests-str []
+  "(clojure.test/run-tests)")
+
+(defn run-all-tests-str []
+  "(clojure.test/run-all-tests)")
diff --git a/src/conjure/main.clj b/src/conjure/main.clj
index 94263606..5e7c712a 100644
--- a/src/conjure/main.clj
+++ b/src/conjure/main.clj
@@ -78,3 +78,9 @@
 
 (defmethod rpc/handle-notify :definition [{:keys [params]}]
   (action/definition (first params)))
+
+(defmethod rpc/handle-notify :run-tests [_]
+  (action/run-tests))
+
+(defmethod rpc/handle-notify :run-all-tests [_]
+  (action/run-all-tests))
diff --git a/test/example.cljc b/test/example.cljc
index cf1af796..d5324863 100644
--- a/test/example.cljc
+++ b/test/example.cljc
@@ -1,6 +1,7 @@
 ;; Some example code to test Conjure with.
 
-(ns test.example)
+(ns test.example
+  (:require [clojure.test :as t]))
 
 (defn henlo [name]
   (println (str "Henlo, " name "!"))
@@ -15,3 +16,7 @@
 
 (comment
   (this-will-error))
+
+(t/deftest something-simple
+  (t/testing "hmm"
+    (t/is (= 10 10))))